This trial will utilize TRIAD for dosimetry digital treatment data submission. TRIAD is the American College of Radiology’s (ACR) image exchange application and it is used by the RTOG. See here for information on installing TRIAD.

Please fill out the credentialing status inquiry form to let us know that you would like to be credentialed for this protocol. Institutions that were previously credentialed to participate in another protocol will be notified if any additional credentialing steps are required.

In order to complete the photon credentialing process, the following items must be completed:

• Complete or update the Facility Questionnaire.

• All participants must complete IGRT credentialing for soft tissue alignment. Please also complete            the IGRT questionnaire.

•  Irradiate IROC Houston's IMRT H&N phantom. Please fill in the request form online.